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參數(shù)資料
| 型號： | MC44BC373 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Multi-Standard or PAL/ NTSC Modulator with integrated antenna booster/splitter ICs |
| 中文描述： | 多制式或PAL / NTSC制式，集成天線的助推器調(diào)制器/分路器集成電路 |
| 文件頁數(shù)： | 10/24頁 |
| 文件大小： | 635K |
| 代理商： | MC44BC373 |
10
MC44BC373/374 Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Video Characteristics
9 Video Characteristics
Unless otherwise stated: V
cc
=5
.
0V, Ambient Temperature=25
o
C, Video Input 1V
p-p
, 10-step
grayscale. RF inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE
DEMODULATION.
Figure 4. Typical Performance—Video
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
Video bandwidth
Reference 0dB at 100kHz,
measured at 5MHz.
–
1
.
5
–
0
.
8
—
dB
C
Video input level
75Ohm load.
—
—
0
.
2
1
.
5
Vcvbs
μ
A
K
%
D
Video input current
—
—
1
A
Video input impedance
—
500
—
—
A
Peak White Clip
PWC bit set to 1, see PWC section.
110
114
118
A
Video S/N
See Figure 4.
50
53
—
dB
C
Differential Phase
See Figure 4.
–
5
—
5
deg
C
Differential Gain
On line CCIR 310, worst of first 4 out
of 5 steps. See Figure 4.
Input ratio 7
.
0:3
.
0
–
5
—
5
%
C
Luma/Sync ratio
6
.
8/3
.
2
—
7
.
2/2
.
8
—
B
PAL video modulation depth
—
75
81
88
%
B
SECAM video modulation depth
—
88
93
99
%
B
Video Signal to Noise
48
50
52
54
56
58
471
521 571
621 671
Frequency (Mhz)
721 771
821 871
d
PAL Video M odulation Depth
74
76
78
80
82
84
86
88
90
471 521 571 621 671 721 771 821 871
Frequency (M hz)
%
SECAM Video M odulation Depth
86
88
90
92
94
96
98
100
471 521 571 621 671 721 771 821 871
Frequency (M hz)
%
Typical
Typical
Typical
Minimum specification
Maximum specification
Maximum specification
Minimum specification
Minimum specification
F
Freescale Semiconductor, Inc.
n
.
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